All used in making synthetic rubbers

• Hydrocarbon obtained from crude oil
• Compound in synthetic rubber
• C4H8
• Compound found in synthetic rubber
• Hydrocarbon derived from petroleum

Wiktionary Word definitions in Wiktionary
n. (context chemistry English) Any of several forms of butylene.

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Butylene \Bu"ty*lene\, n. [From Butyl .] (Chem.) Any one of three metameric hydrocarbons, C4H8 , of the ethylene series. They are gaseous or easily liquefiable; -- called also butene . the hypothetical divalent radical -(CH2)4- ; -- used in combining forms; ...

Wikipedia Word definitions in Wikipedia
Butene , also known as butylene , is an alkene with the formula C H . It is a colourless gas that is present in crude oil as a minor constituent in quantities that are too small for viable extraction. It is therefore obtained by catalytic cracking of long-chain ...

WordNet Word definitions in WordNet
n. any of three isomeric hydrocarbons C4H8; all used in making synthetic rubbers [syn: butylene ]